Karen the trainer has two solo workout plans that she offers her clients: Plan A and Plan B. Each client does either one or the other (not both). On Monday there were3clients who did Plan A and2who did Plan B. On Tuesday there were5 clients who did Plan A and6 who did Plan B. Karen trained her Monday clients for a total of3 hours and her Tuesday clients for a total of7 hours. How long does each of the workout plans last?